20199995438

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{20321927}}^1$

素因数の和:20322007

約数の個数: 16

約数和(自身を含む): 35116291584

約数和(自身を除く): 14916296146

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 20321927, 40643854, 142253489, 284506978, 1442856817, 2885713634, 10099997719, 20199995438]

約数ペア:

[(1, 20199995438), (2, 10099997719), (7, 2885713634), (14, 1442856817), (71, 284506978), (142, 142253489), (497, 40643854), (994, 20321927)]